431111222111071 has 2 divisors, whose sum is σ = 431111222111072. Its totient is φ = 431111222111070.

The previous prime is 431111222111033. The next prime is 431111222111231. The reversal of 431111222111071 is 170111222111134.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431111222111071 - 2⁹ = 431111222110559 is a prime.

It is a super-4 number, since 4×431111222111071⁴ (a number of 60 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431111222112071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215555611055535 + 215555611055536.

It is an arithmetic number, because the mean of its divisors is an integer number (215555611055536).

Almost surely, 2^{431111222111071} is an apocalyptic number.

431111222111071 is a deficient number, since it is larger than the sum of its proper divisors (1).

431111222111071 is an equidigital number, since it uses as much as digits as its factorization.

431111222111071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 28.

The spelling of 431111222111071 in words is "four hundred thirty-one trillion, one hundred eleven billion, two hundred twenty-two million, one hundred eleven thousand, seventy-one".